The purpose of this study is to determine the effects of dairy consumption on short-term cognitive performance, subjective mood and emotions, and glycemic response in healthy children aged 9 - 14 years. The investigators hypothesize that the consumption of dairy products as a mid-morning snack will improve mood and cognitive performance in children. Furthermore, the investigators hypothesize that all dairy products consumed as a mid-morning snack will imbue more benefits on mood and cognitive performance over 2-hours compared to fruit juice or snack skipping.
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Learning and short-term memory
Timeframe: Change from baseline (measured at 0-minutes before treatment) and at 15-minutes, 30-minutes, 60-minutes and 120-minutes post-treatment consumption
Spatial working memory
Timeframe: Change from baseline (measured at 0-minutes before treatment) and at 15-minutes, 30-minutes, 60-minutes and 120-minutes post-treatment consumption
Sustained attention
Timeframe: Change from baseline (measured at 0-minutes before treatment) and at 15-minutes, 30-minutes, 60-minutes and 120-minutes post-treatment consumption
Executive function
Timeframe: Change from baseline (measured at 0-minutes before treatment) and at 15-minutes, 30-minutes, 60-minutes and 120-minutes post-treatment consumption